use sea_orm_migration::prelude::*;

#[derive(DeriveMigrationName)]
pub struct Migration;

#[async_trait::async_trait]
impl MigrationTrait for Migration {
    async fn up(&self, manager: &SchemaManager) -> Result<(), DbErr> {
        manager
            .create_table(
                Table::create()
                    .table(Invites::Table)
                    .if_not_exists()
                    .col(ColumnDef::new(Invites::Code).string().not_null().primary_key())
                    .col(ColumnDef::new(Invites::GuildId).uuid().not_null())
                    .col(ColumnDef::new(Invites::CreatedByUserId).uuid().not_null())
                    .col(
                        ColumnDef::new(Invites::CreatedAt)
                            .timestamp_with_time_zone()
                            .not_null()
                            .default(Expr::current_timestamp()),
                    )
                    .col(ColumnDef::new(Invites::ExpiresAt).timestamp_with_time_zone())
                    .col(ColumnDef::new(Invites::MaxUses).integer())
                    .col(
                        ColumnDef::new(Invites::UseCount)
                            .integer()
                            .not_null()
                            .default(0),
                    )
                    .foreign_key(
                        ForeignKey::create()
                            .name("fk_invites_guild")
                            .from(Invites::Table, Invites::GuildId)
                            .to(Guilds::Table, Guilds::Id)
                            .on_delete(ForeignKeyAction::Cascade),
                    )
                    .foreign_key(
                        ForeignKey::create()
                            .name("fk_invites_created_by")
                            .from(Invites::Table, Invites::CreatedByUserId)
                            .to(Users::Table, Users::Id),
                    )
                    .to_owned(),
            )
            .await?;

        manager
            .create_index(
                Index::create()
                    .name("idx_invites_guild_id")
                    .table(Invites::Table)
                    .col(Invites::GuildId)
                    .to_owned(),
            )
            .await?;

        Ok(())
    }

    async fn down(&self, manager: &SchemaManager) -> Result<(), DbErr> {
        manager
            .drop_table(Table::drop().table(Invites::Table).to_owned())
            .await?;
        Ok(())
    }
}

#[derive(DeriveIden)]
enum Invites {
    Table,
    Code,
    GuildId,
    CreatedByUserId,
    CreatedAt,
    ExpiresAt,
    MaxUses,
    UseCount,
}

#[derive(DeriveIden)]
enum Guilds {
    Table,
    Id,
}

#[derive(DeriveIden)]
enum Users {
    Table,
    Id,
}